The Adaptive Markets Hypothesis 5: Hedge Funds and Market Efficiency

This episode examines market efficiency through a computational lens, challenging the traditional Efficient Market Hypothesis (EMH). It proposes a model where market participants' strategies sequentially evolve the market, potentially creating profit opportunities not initially present. Empirical experiments testing human ability to distinguish real from random market data reveal surprising insights into investor perception. Further analysis explores hedge fund characteristics, performance, biases, and the role of illiquidity, particularly examining the 2007 Quant Meltdown as a case study of market dynamics and systemic risk. The Adaptive Market Hypothesis (AMH) is presented as a framework to explain these observations, emphasizing the evolutionary nature of market competition and innovation.